<html>
       <head>
       	       <meta charset="utf-8"/>
               <title>标题</title>
       </head>
       <body>
               <p>aaaaa</p><br/>
               <p style="color:red">bbbbb</p><br/>
               <p>ccccc</p><br/>
               <p align="center">ddddd</p><br/>

               <center>让文本居中</center>

               <pre>
               	aaa        bbb      ccc          ddd
               	     www        eee        yyy         zzz
               	hello      world     hello       world
               </pre>

               <hr width="800" size="50">
               <hr width="100%" size="30" noshade>
               <hr width="500" color="red">
       </body>
</html>